Ah, you need libxml2, so enable it: -DWITH_LIBXML2=ON

> -----Ursprüngliche Nachricht-----
> Von: Erik H [mailto:[email protected]]
> Gesendet: Montag, 6. November 2017 14:29
> An: Eichner, Andreas - SID
> Cc: [email protected]
> Betreff: Re: [mapserver-users] Draw roads WITHOUT anti-aliasing
> 
> Thanks for looking into this, Andreas, but I tried again and I'm still
> getting errors.
> 
> 
> 
> This is my script:
> 
> git pull
> rm -Rf build
> mkdir build
> cd build
> export JAVA_HOME=/usr/java/jdk
> export PYTHON_INCLUDE_DIR=/usr/include/python2.6/
> export PYTHON_LIBRARY=/usr/lib64/python2.6/config/libpython2.6.so
> export GDAL_DIR=/usr/local/src/gdal-2.1.3/
> cmake -DCMAKE_PREFIX_PATH=/usr/local/ WITH_GDAL=$GDAL_DIR  -
> DWITH_FRIBIDI=OFF -DWITH_WFS=OFF   -DWITH_WCS=OFF -
> DWITH_PROJ=/usr/local/lib  -DWITH_LIBXML2=OFF   WITH_POSTGIS=/usr/bin
> -DWITH_CLIENT_WFS=OFF     -DWITH_WMS=OFF    -DWITH_CLIENT_WMS=OFF
> -DWITH_CURL=OFF         -DWITH_SOS=OFF         -DWITH_PHP=OFF         -
> DWITH_PERL=OFF         -DWITH_RUBY=OFF         -DWITH_JAVA=ON         -
> DWITH_CSHARP=OFF   -DWITH_HARFBUZZ=OFF      -DWITH_PYTHON=ON     -
> DWITH_GEOS=0    -DWITH_SVGCAIRO=OFF         -DWITH_ORACLESPATIAL=OFF
> -DWITH_CAIRO=OFF -DWITH_THREAD_SAFETY=ON  -DWITH_FCGI=OFF   -DWITH_GIF=0
> ../ >../configure.out.txt
> make
> 
> -->
> ....
> [ 61%] Building C object CMakeFiles/mapserver.dir/mapmetadata.c.o
> /home/xxxx/work/mapserver/mapmetadata.c:41: error: expected ‘=’, ‘,’,
> ‘;’, ‘asm’ or ‘__attribute__’ before ‘_msMetadataGetCharacterString’
> ...
> 
> 
> 
> > git log
> commit bf73b5cdfe0bcecc06f8241ddf844a99b5fa7f4b
> Author: Even Rouault <[email protected]>
> Date:   Fri Nov 3 15:45:20 2017 +0100
> 
> 
> 
> On Mon, Nov 6, 2017 at 3:23 AM, Eichner, Andreas - SID
> <[email protected]> wrote:
> 
> 
>       Hi Erik,
> 
>       just tried building a freshly pulled mapserver/master and I got
> strange CMake errors too.
>       In my case wiping the build/ directory recreating it solved the
> problem.
> 
>       HTH
> 
>       > -----Ursprüngliche Nachricht-----
>       > Von: mapserver-users [mailto:mapserver-users-
> [email protected] <mailto:[email protected]>
> ] Im
>       > Auftrag von Erik H
>       > Gesendet: Freitag, 3. November 2017 21:24
>       > An: [email protected] <mailto:mapserver-
> [email protected]>
>       > Betreff: Re: [mapserver-users] Draw roads WITHOUT anti-aliasing
>       >
>       > I made some changes to the mapserver 7 source code that achieve
> what I
>       > want (I'm now able to switch between aliased and antialiased
> lines,
>       > based on the ANTIALIAS keyword in the STYLE section).
>       >
>       > I tried to put up a pull request for it but I'm having problems
>       > compiling the code in the 'master' branch - compilation errors
> for
>       > mapmetadata.c. My code was branched off the release-7 branch and
> did not
>       > have that problem.
>       >
>       > The cmake command I used was
>       >
>       > cmake -DCMAKE_PREFIX_PATH=/usr/local/ WITH_GDAL=$GDAL_DIR  -
>       > DWITH_FRIBIDI=OFF -DWITH_WFS=OFF   -DWITH_WCS=OFF -
>       > DWITH_PROJ=/usr/local/lib  -DWITH_LIBXML2=OFF
> WITH_POSTGIS=/usr/bin
>       > -DWITH_CLIENT_WFS=OFF     -DWITH_WMS=OFF    -
> DWITH_CLIENT_WMS=OFF
>       > -DWITH_CURL=OFF         -DWITH_SOS=OFF         -DWITH_PHP=OFF
> -
>       > DWITH_PERL=OFF         -DWITH_RUBY=OFF         -DWITH_JAVA=ON
> -
>       > DWITH_CSHARP=OFF   -DWITH_HARFBUZZ=OFF      -DWITH_PYTHON=ON
> -
>       > DWITH_GEOS=0    -DWITH_SVGCAIRO=OFF         -
> DWITH_ORACLESPATIAL=OFF
>       > -DWITH_CAIRO=OFF -DWITH_THREAD_SAFETY=ON  -DWITH_FCGI=OFF   -
> DWITH_GIF=0
>       > ../ >../configure.out.txt
>       >
>       >
>       > Any suggestions?
>       >
>       > Thanks
>       >
>       > On Thu, Oct 19, 2017 at 11:04 AM, Erik H <[email protected]>
> wrote:
>       >
>       >
>       >       I just did what Andreas spelled out yesterday:
>       >
>       >       Simply changing the typedef in line 91 of mapagg.cpp from
>       >
>       >         typedef
> mapserver::renderer_scanline_aa_solid<renderer_base>
>       > renderer_scanline;
>       >
>       >       to
>       >
>       >         typedef
> mapserver::renderer_scanline_bin_solid<renderer_base>
>       > renderer_scanline;
>       >
>       >
>       >
>       >       However, I'd like to be able to switch between rasterizer
> via some
>       > option in the .map file, so I'd welcome any suggestion on how to
> do
>       > that.
>       >
>       >       On Thu, Oct 19, 2017 at 10:07 AM, Lime, Steve D (MNIT)
>       > <[email protected]> wrote:
>       >
>       >
>       >               Glad this was figured out! What was the code
> change exactly?
>       > ________________________________
>       >
>       >               From: mapserver-users <mapserver-users-
>       > [email protected] <mailto:mapserver-users-
> [email protected] <mailto:[email protected]>
> >
>       > > on behalf of Erik H <[email protected]>
>       >               Sent: Wednesday, October 18, 2017 8:07:42 PM
>       >               To: Eichner, Andreas - SID
>       >               Cc: [email protected]
> <mailto:[email protected]>  <mailto:mapserver-
>       > [email protected]>
>       >               Subject: Re: [mapserver-users] Draw roads WITHOUT
> anti-
>       > aliasing
>       >
>       >               Andreas,
>       >
>       >               I made that change in mapagg.cpp and it seems to
> do exactly
>       > what I need. Wunderbar!
>       >
>       >               As for providing an option to switch rasterizer
> based on an
>       > option, how about reviving the FORMATOPTION 'ANTIALIAS'?
>       >
>       >               Thanks, Erik
>       >
>       >               On Wed, Oct 18, 2017 at 9:18 AM, Eichner, Andreas
> - SID
>       > <[email protected]
> <mailto:[email protected]>
> <mailto:[email protected]
> <mailto:[email protected]> >
>       > > wrote:
>       >
>       >
>       >                       Nope, this won't work:
>       >
>       >                         r->default_gamma =
> atof(msGetOutputFormatOption(
>       > format, "GAMMA", "0.75" ));
>       >                         if(r->default_gamma <= 0.0 || r-
> >default_gamma >=
>       > 1.0) {
>       >                           r->default_gamma = 0.75;
>       >                         }
>       >
>       >                       From mapagg.cpp lines 844-847 forces 0 <
> GAMMA < 1
>       >                       Also note that MapServer uses a linear
> gamma function
>       > defined as
>       >
>       >                              double operator() (double x) const
>       >                               {
>       >                                   if(x < m_start) return 0.0;
>       >                                   if(x > m_end) return 1.0;
>       >                                   return (x - m_start) / (m_end
> - m_start);
>       >                               }
>       >
>       >                       Where m_start is _always_ set to 0 and
> m_end is set to
>       > the GAMMA value given by you (or the default 0.75).
>       >                       I think someone should check this - to me
> it seems a
>       > power function was intented...
>       >
>       >                       HTH
>       >
>       >                       > -----Ursprüngliche Nachricht-----
>       >                       > Von: mapserver-users [mailto:mapserver-
> users-
>       > [email protected] <mailto:mapserver-users-
> [email protected] <mailto:[email protected]>
> >
>       > ] Im
>       >                       > Auftrag von [email protected]
>       >                       > Gesendet: Mittwoch, 18. Oktober 2017
> 14:05
>       >                       > An: [email protected]
> <mailto:[email protected]>
>       > <mailto:[email protected] <mailto:mapserver-
> [email protected]> >
> 
>       >                       > Betreff: Re: [mapserver-users] Draw
> roads WITHOUT
>       > anti-aliasing
>       >                       >
>       >                       > Hi,
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >
>       >                       > I did some quick tests with :
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       >   OUTPUTFORMAT
>       >                       >     NAME "png_G0"
>       >                       >     DRIVER AGG/PNG
>       >                       >     MIMETYPE "image/png"
>       >                       >     IMAGEMODE RGB
>       >                       >     EXTENSION "png"
>       >                       >     FORMATOPTION "GAMMA=0.0"
>       >                       >   END
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       > and shp2img with options -i
>       >                       >
>       >                       >
>       >                       > eg: shp2img -m 01_polygon_td_poly.map -o
>       > 01_polygon_td_poly.png -i
>       >                       > png_G0
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       > I did some tests with both polygons,
> polygon outlines
>       > and lines and they
>       >                       > all seems to have anti-aliasing as far
> as I could
>       > see.
>       >                       >
>       >                       > Would this be an ok way to test it?  I
> also have some
>       > people that would
>       >                       > like to do lines without anti-aliasing
> for a strange
>       > reason.
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       > Lars Schylberg
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       > -----Originalmeddelande-----
>       >                       > > Från: "Rahkonen Jukka (MML)"
>       > <[email protected]
> <mailto:[email protected]>
> 
>       > <mailto:[email protected]
> <mailto:[email protected]> > >
>       >                       > > Till: "Eichner, Andreas - SID"
>       > <[email protected]
> <mailto:[email protected]>
> <mailto:[email protected]
> <mailto:[email protected]> >
>       > >, "Erik
>       >                       > H" <[email protected]>
>       >                       > > Kopia: [email protected]
> <mailto:[email protected]>
>       > <mailto:[email protected] <mailto:mapserver-
> [email protected]> >
>       >                       > > Datum: 2017-10-18 11:13
>       >                       > > Ämne: Re: [mapserver-users] Draw roads
> WITHOUT
>       > anti-aliasing
>       >                       > >
>       >                       > > Hi,
>       >                       > >
>       >                       > > I suppose that the amount of
> antialiasing with AGG
>       > is set with "gamma"
>       >                       > parameter.  Mapserver supports that at
> least for
>       > polygons as documented
>       >                       > in
> http://www.mapserver.org/mapfile/outputformat.html
> <http://www.mapserver.org/mapfile/outputformat.html>
>       > <http://www.mapserver.org/mapfile/outputformat.html
> <http://www.mapserver.org/mapfile/outputformat.html> >  but you could
> try
>       >                       > if using gamma=0.0 has an effect on
> lines as well. It
>       > may be that it
>       >                       > does not because search
>       >                       > >
>       >                       >
>       >
> https://github.com/mapserver/mapserver/search?utf8=%E2%9C%93&q=gamma&typ
> <https://github.com/mapserver/mapserver/search?utf8=%E2%9C%93&q=gamma&ty
> p>
>       >
> <https://github.com/mapserver/mapserver/search?utf8=%E2%9C%93&q=gamma&ty
> <https://github.com/mapserver/mapserver/search?utf8=%E2%9C%93&q=gamma&ty
> >
>       > p>
>       >                       > e=
>       >                       > > seems to find only something that is
> tied to
>       > polygon outlines
>       >                       > >
> https://github.com/mapserver/mapserver/blob/branch-
> <https://github.com/mapserver/mapserver/blob/branch->
>       > 7- <https://github.com/mapserver/mapserver/blob/branch-7-
> <https://github.com/mapserver/mapserver/blob/branch-7-> >
>       >                       >
> 0/renderers/agg/include/agg_renderer_outline_aa.h
>       >                       > >
>       >                       > >
>       >                       > > If gamma does not work for lines then
> it could be
>       > worth making a
>       >                       > feature request for adding a new
> formatoption
>       > "GAMMA_LINE=[].
>       >                       > >
>       >                       > > Couple of Mapnik links dealing with
> the same issue:
>       >                       > >
> http://gis.19327.n8.nabble.com/Turning-off-anti-
> <http://gis.19327.n8.nabble.com/Turning-off-anti->
>       > aliasing- <http://gis.19327.n8.nabble.com/Turning-off-anti-
> aliasing- <http://gis.19327.n8.nabble.com/Turning-off-anti-aliasing-> >
>       >                       > td5339458.html
>       >                       > > http://mapnik.org/mapnik-
> reference/#3.0.6/line- <http://mapnik.org/mapnik-reference/#3.0.6/line->
>       > gamma-method <http://mapnik.org/mapnik-reference/#3.0.6/line-
> gamma- <http://mapnik.org/mapnik-reference/#3.0.6/line-gamma->
>       > method>
>       >                       > >
>       >                       > > -Jukka Rahkonen-
>       >                       > >
>       >                       > >
>       >                       > >
>       >                       > > -----Alkuperäinen viesti-----
>       >                       > > Lähettäjä: mapserver-users
> [mailto:mapserver-users-
>       >                       > [email protected]] Puolesta
> Eichner, Andreas -
>       > SID
>       >                       > > Lähetetty: 18. lokakuuta 2017 9:57
>       >                       > > Vastaanottaja: Erik H
> <[email protected]>
>       >                       > > Kopio: [email protected]
> <mailto:[email protected]>
>       > <mailto:[email protected] <mailto:mapserver-
> [email protected]> >
>       >                       > > Aihe: Re: [mapserver-users] Draw roads
> WITHOUT
>       > anti-aliasing
>       >                       > >
>       >                       > > Damn... missed attaching the images.
>       >                       > >
>       >                       > > > -----Ursprüngliche Nachricht-----
>       >                       > > > Von: mapserver-users
> [mailto:mapserver-users-
>       >                       > [email protected]]
>       >                       > > > Im Auftrag von Eichner, Andreas -
> SID
>       >                       > > > Gesendet: Mittwoch, 18. Oktober 2017
> 08:28
>       >                       > > > An: Erik H
>       >                       > > > Cc: [email protected]
> <mailto:[email protected]>
>       > <mailto:[email protected] <mailto:mapserver-
> [email protected]> >
> 
>       >                       > > > Betreff: Re: [mapserver-users] Draw
> roads WITHOUT
>       > anti-aliasing
>       >                       > > >
>       >                       > > > Hi,
>       >                       > > >
>       >                       > > > I just meant that it seems to be
> pretty easy to
>       > implement aliased
>       >                       > > > rendering with AGG.
>       >                       > > > Simply changing the typedef in line
> 91 of
>       > mapagg.cpp from
>       >                       > > >
>       >                       > > >   typedef
>       > mapserver::renderer_scanline_aa_solid<renderer_base>
>       >                       > > > renderer_scanline;
>       >                       > > >
>       >                       > > > to
>       >                       > > >
>       >                       > > >   typedef
>       > mapserver::renderer_scanline_bin_solid<renderer_base>
>       >                       > > > renderer_scanline;
>       >                       > > >
>       >                       > > > turns of anti-aliased rendering.
> I've attached
>       > the output of
>       >                       > "shp2img
>       >                       > > > -m line_simple.map" from the
> msautotests.
>       >                       > > > An additional member in class
> AGG2Renderer for
>       > the aliased
>       >                       > rasterizer
>       >                       > > > and conditionally passing one or the
> other to
>       > render_scanlines()
>       >                       > > > depending on some value of
> strokeStyleObj might
>       > be enough.
>       >                       > > >
>       >                       > > > Regards
>       >                       > > >
>       >                       > > > > -----Ursprüngliche Nachricht-----
>       >                       > > > > Von: Erik H
> [mailto:[email protected]]
>       >                       > > > > Gesendet: Dienstag, 17. Oktober
> 2017 17:34
>       >                       > > > > An: Eichner, Andreas - SID
>       >                       > > > > Cc: Richard Greenwood; mapserver-
> 
>       > [email protected] <mailto:[email protected]
> <mailto:[email protected]> >
>       >                       > > > > Betreff: Re: [mapserver-users]
> Draw roads
>       > WITHOUT anti-aliasing
>       >                       > > > >
>       >                       > > > > As for Andreas' remark about
> 'simply the use of
>       > another scanline
>       >                       > > > > rasterizer.' - I'm sorry but I'm
> not much of a
>       > C++ developer. If I
>       >                       > > > have
>       >                       > > > > to do rasterizing, I'd skip
> MapServer
>       > altogether and generate the
>       >                       > > > > PNG
>       >                       > > > in
>       >                       > > > > Java.
>       >                       > > > >
>       >                       > > >
> _______________________________________________
>       >                       > > > mapserver-users mailing list
>       >                       > > > [email protected]
> <mailto:[email protected]>
>       > <mailto:[email protected] <mailto:mapserver-
> [email protected]> >
>       >                       > > >
>       > https://lists.osgeo.org/mailman/listinfo/mapserver-users
> <https://lists.osgeo.org/mailman/listinfo/mapserver-users>
>       > <https://lists.osgeo.org/mailman/listinfo/mapserver-users
> <https://lists.osgeo.org/mailman/listinfo/mapserver-users> >
>       >                       > >
> _______________________________________________
>       >                       > > mapserver-users mailing list
>       >                       > > [email protected]
> <mailto:[email protected]>  <mailto:mapserver-
>       > [email protected]>
>       >                       > >
> https://lists.osgeo.org/mailman/listinfo/mapserver-
> <https://lists.osgeo.org/mailman/listinfo/mapserver->
>       > users <https://lists.osgeo.org/mailman/listinfo/mapserver-users
> <https://lists.osgeo.org/mailman/listinfo/mapserver-users> >
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       >
>       >                       > --
>       >                       >
>       >                       >
>       >
> _______________________________________________
>       >                       mapserver-users mailing list
>       >                       [email protected]
> <mailto:[email protected]>  <mailto:mapserver-
>       > [email protected]>
>       >
> https://lists.osgeo.org/mailman/listinfo/mapserver-
> <https://lists.osgeo.org/mailman/listinfo/mapserver->
>       > users <https://lists.osgeo.org/mailman/listinfo/mapserver-users
> <https://lists.osgeo.org/mailman/listinfo/mapserver-users> >
>       >
>       >
>       >
>       >
> 
> 
> 

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